20222100757 has 2 divisors, whose sum is σ = 20222100758. Its totient is φ = 20222100756.

The previous prime is 20222100749. The next prime is 20222100817. The reversal of 20222100757 is 75700122202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11683231921 + 8538868836 = 108089^2 + 92406^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222100757 - 2³ = 20222100749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222100727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111050378 + 10111050379.

It is an arithmetic number, because the mean of its divisors is an integer number (10111050379).

Almost surely, 2^20222100757 is an apocalyptic number.

It is an amenable number.

20222100757 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222100757 is an equidigital number, since it uses as much as digits as its factorization.

20222100757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

Adding to 20222100757 its reverse (75700122202), we get a palindrome (95922222959).

The spelling of 20222100757 in words is "twenty billion, two hundred twenty-two million, one hundred thousand, seven hundred fifty-seven".